SPC AC 050832
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0232 AM CST FRI DEC 05 2003
VALID 061200Z - 071200Z
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 45 ENE BLI 40 SE SEA
35 SE PDX 40 ESE EUG 40 NE MFR 30 ESE LMT 35 WNW SVE 35 S RBL 25 WSW
UKI.
...NO SVR TSTM AREAS FORECAST...
...SYNOPSIS...
AMPLIFIED PATTERN EXPECTED THIS PERIOD AS POWERFUL CLOSED LOW MOVES
SLOWLY NE FROM CNTRL MD/NRN VA NEWD TO S OF CAPE COD...AND A SERIES
OF SHORTWAVE IMPULSES MAINTAIN BROAD/COMPLEX TROUGH OVER THE PACIFIC
NW. AT LOWER LEVELS...COLD/DRY AIR WILL PREVAIL E OF THE ROCKIES.
ONSHORE FLOW WILL...HOWEVER...MAINTAIN MODEST BOUNDARY LAYER
MOISTURE ALONG THE N PACIFIC COAST.
...WRN WA/ORE AND NRN CA...
UNSETTLED SHOWERY WEATHER WILL PREVAIL ALONG THE N PACIFIC COAST
THROUGH THE PERIOD. SOME THUNDER COULD OCCUR...ESPECIALLY LATER
SATURDAY ACROSS WRN ORE...WHERE DESTABILIZATION AND OROGRAPHIC
ASCENT SHOULD MAXIMIZE IN WAKE OF COLD FRONT EXPECTED TO MOVE ACROSS
REGION EARLY IN THE PERIOD. SUFFICIENT INSTABILITY/CLOUD DEPTH MAY
DEVELOP TO SUPPORT MARGINALLY SEVERE HAIL.
FARTHER S...SOMEWHAT STRONGER DEEP SHEAR WILL EXIST INVOF FRONTAL
BAND AS IT CONTINUES SWD/EWD INTO NRN CA SATURDAY AFTERNOON. WEAK
INSTABILITY SHOULD LIMIT SEVERE RISK WITH ANY EMBEDDED STORMS ALONG
BOUNDARY.
..CORFIDI.. 12/05/2003
...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3. THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED FOR 1730Z
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